$ git clone -n https://github.com/xcp-ng-rpms/intel-ice-alt.git /var/lib/mock/v8.3-u-ysionneau1-9496-28229/root/chroot_tmpdir/scmroot/intel-ice-alt
Cloning into '/var/lib/mock/v8.3-u-ysionneau1-9496-28229/root/chroot_tmpdir/scmroot/intel-ice-alt'...
$ git fetch origin 13fcded87411270c95b37da2d646d2ee1f6d0a7f:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/intel-ice-alt
 * [new ref]         13fcded87411270c95b37da2d646d2ee1f6d0a7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13fcded Update to driver v1.17.21